Joost van de Griek writes:

>>> Well, good luck telling one 128-pixel icon from another on a 300 dpi 
screen,
>>> then.
>> 
>> I said I won't switch from px to cm or in. I never said I won't adapt.
>
>> Each one uses a different word to say many of the same things.
>
>No, they don't. Centimeters and inches represent real-world physical sizes.
>A pixel represents a dot on a screen. Doesn't say a thing about the size of
>that dot or the distance to the next dot.

That's because a pixel *cannot* be equated with a physical size except 
when running an LCD monitor at full resolution.

Think about it: My 19" monitor supports 640x480 and 1280x960 -- at one 
resolution, every pixel is twice as large as at the other. But your 
computer has no way of knowing whether those 640x480 pixels are being 
displayed on a compact 9" monitor or a huge 22" display.

Unless you physically measure the number of pixels per inch and tell your 
computer what your dpi is at the current resolution, it doesn't know 
points from inches from cm. All it knows is pixels.


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